GreenfieldTech Guru Mentoring
Full immersion consulting and outsourcing

Led by Nir Simionovich, a world renowned Asterisk Expert and one of Israel’s highly respected Open Source evangelist and technologist, GreenfieldTech provides the most complete technology mentoring solution for both Open Source and Open Source Telephony - GreenfieldTech Guru Mentoring. It is our belief that in order to help you achieve your goals, we must fully immerse ourselves in your business, to understand it to its fullest and then assist you in reaching your goals. When we immerse ourselves, we see ourselves as a part of your organization, and while we may sometimes speak out when other consultants would not – we do so only with your best interest in mind.

Our Asterisk/VoIP Guru Mentoring include:

  • Asterisk platform design and specification
  • Asterisk application development
  • Asterisk carrier/service provider scalability
  • Asterisk product development and life cycle planning
  • Security auditing and incident forensics
  • OpenSER/Kamailio integration


Our Open Source Guru Mentoring include:

  • Open Source adaptation guidance and compliance assistance
  • Open Source monitoring systems – design, implementation and adaptation
  • Open Source content management – implementation and adaptation
  • Open Source development management – source control, bug tracking, ticketing, etc
  • Open Source security adaptation
  • Open Source virtualization
  • Open Source development


To learn more about Guru Mentoring, click here.

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